#671F1F#671F1F

#671F1F is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.3% C 0.104 H 24.1°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX#671F1F
RGBrgb(103, 31, 31)
HSLhsl(0, 54%, 26%)
HSVhsv(0, 70%, 40%)
CMYKcmyk(0%, 69.9%, 69.9%, 59.6%)
CIE-LABlab(23.55, 32.21, 17.93)
CIE-LCHlch(23.55, 36.87, 29.10°)
OKLaboklab(35.34% 0.0945 0.0423)
OKLCHoklch(35.34% 0.104 24.1)
XYZxyz(6.3315, 3.9634, 1.7277)
Luminance0.0396 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#671F1F #1F6767
analogous
#671F43 #671F1F #67431F
triadic
#671F1F #1F671F #1F1F67
tetradic
#671F1F #43671F #1F6767 #431F67
square
#671F1F #43671F #1F6767 #431F67
split-complementary
#671F1F #1F6743 #1F4367
monochromatic
#180707 #381111 #671F1F #962D2D #C43C3C

Accessibility & contrast

On white

11.72
#671F1F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.79
#671F1F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671F1F
11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##671F1F#FFFFFF#000000##FFFFFF
##671F1F1.0011.721.7911.72
#FFFFFF11.721.0021.001.00
#0000001.7921.001.0021.00
##FFFFFF11.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#322E1E
Deuteranopia (green-blind)
#443E1D
Tritanopia (blue-blind)
#720D20
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #671f1f;
/* rgb */ color: rgb(103, 31, 31);
/* oklch */ color: oklch(35.3% 0.104 24.1);
Tailwind
colors: {
  custom: {
    50: '#985f5a',
    500: '#671f1f',
    950: '#000000',
  },
}
SCSS
$custom: #671f1f;
$custom-light: #985f5a;
$custom-dark: #000000;
JSON
{
  "hex": "#671f1f",
  "rgb": {
    "r": 103,
    "g": 31,
    "b": 31
  },
  "hsl": {
    "h": 0,
    "s": 53.731,
    "l": 26.275
  },
  "oklch": {
    "l": 0.35335,
    "c": 0.10352,
    "h": 24.1
  },
  "luminance": 0.03962
}

Semantic roles & 50–950 ramp

primary
#671F1F
secondary
#469B9B
accent
#DDDD4B
background
#F9F5F5
surface
#F2E9E9
border
#CCC5C5
text
#0F0503
muted
#7E7978

Preview Lab

Preview with #671F1F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#671F1F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva